What Is the First Step When Deploying a Data Loss Prevention Solution?

A security administrator is deploying a DLP solution to prevent the exfiltration of sensitive customer data. Which of the following should the administrator do first?

  1. Block access to cloud storage websites.
  2. Create a rule to block outgoing email attachments.
  3. Apply classifications to the data. Source Reference Answer
  4. Remove all user permissions from shares on the file server.

Community Votes

C
100%

100% of anonymous learners picked answer C. Votes are pick records left by other test-takers — they are not the verified answer.

Community Insight

This question evaluates your grasp of DLP deployment lifecycle phases, where the primary trap is selecting immediate enforcement actions instead of the foundational assessment step.

Deploying a Data Loss Prevention (DLP) system requires identifying and tagging sensitive information before enforcing any restrictions. The overwhelming community consensus confirms that data classification must precede policy creation to ensure accurate, business-aligned protection.

Many test-takers select blocking email attachments or cloud storage because these sound like direct DLP functions; however, implementing such controls without first knowing what data is sensitive causes unnecessary business disruption and fails to address actual exfiltration risks.

Community Discussion (10 comments)

dbrowndiver 👍 10 Selected: C
Apply classifications to the data is the correct first step because it establishes a foundational understanding of what data is sensitive and needs protection. By classifying the data, the security administrator can ensure that subsequent DLP policies are effectively tailored to prevent the exfiltration of sensitive customer data, while minimizing unnecessary restrictions on non-sensitive data.
Anyio 👍 1 Selected: C
The NIST (National Institute of Standards and Technology) Risk Management Framework (RMF) is a seven-step process that helps organizations manage security and privacy risks. The steps are: Prepare: Prepare the organization to manage security and privacy risks Categorize: Classify the system to be evaluated for risk Select: Choose controls Implement: Put the controls in place Assess: Evaluate the controls Authorize: Get approval for the system Monitor: Continuously monitor the controls Categorize == Classification
G3O 👍 1 Selected: C
• C. Apply classifications to the data. First Action
MaxiPrince 👍 1 Selected: C
Apply classifications to the data
Laura5859 👍 1 Selected: C
You must apply classifications to the data, so the DLP will be able to identify sensitive data.
nyyankee718 👍 2 Selected: C
its asking what to do FIRST/ How would users know what not to send out if data is not classified
ccamarada 👍 2 Selected: C
first classify the information
101e7ca 👍 3 Selected: B
Applying a DLP solution to prevent data being 'leaked' out of the company, usually through email, USB or tools like Steganography. Once installed the first thing he should do is create a rule to either warn or block email attachments. It's nothing to do with cloud storage or server file permissions and we don't need data classification for DLP to work (although it might be a nice option).
adderallpm 👍 3
DLP (Data Loss Prevention)
Shaman73 👍 4
C. Apply classifications to the data.

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Expert Analysis

Why Data Classification Is the Foundational First Step

Before any technical controls can be effectively deployed, a security administrator must understand exactly what assets require protection. Applying data classifications (such as Public, Internal, Confidential, or Restricted) establishes the metadata and context needed for a DLP engine to recognize sensitive information like PII, financial records, or intellectual property. As noted by community contributors, DLP solutions operate on pattern matching, fingerprinting, and keyword detection; without predefined classifications, the system has no baseline to differentiate between routine business communications and high-risk data transfers. Industry frameworks like the NIST Risk Management Framework (RMF) explicitly mandate system and data categorization as an early phase, ensuring that subsequent security controls are proportionate and targeted.

Why Immediate Enforcement Options Are Premature

Options A, B, and D represent enforcement mechanisms rather than preparatory steps. Blocking cloud storage (Option A) or restricting email attachments (Option B) may inadvertently halt legitimate workflows, leading to shadow IT adoption or productivity loss. Similarly, removing all share permissions (Option D) violates the principle of least privilege and completely undermines business operations. While these measures might appear later in a defense-in-depth strategy, they cannot be designed correctly until the administrator knows which data types trigger them. Jumping straight to blocking rules ignores the critical assessment phase and reflects a reactive rather than strategic security posture.

Aligning with Exam Logic and Best Practices

CompTIA heavily emphasizes process-driven security administration. Questions using keywords like “first,” “initially,” or “before” typically reward analytical and planning steps over technical implementation. The community’s strong alignment with Option C mirrors real-world DLP rollouts, where successful deployments begin with inventory, classification, and risk assessment before moving to policy authoring, testing, and enforcement. Recognizing this sequence will help you consistently navigate similar SY0-701 scenario questions.

Official Reference

Exam Strategy

Always scan for temporal keywords like “first,” “initially,” or “before” in SY0-701 scenario questions; these signal that the exam wants the assessment, planning, or design phase rather than immediate technical execution. Prioritize steps that establish visibility and baselines before selecting options that restrict access or enforce blocks.

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